Owner's Manual
Page 157
... must connect the USB cable before connecting any cables. You can download a copy of the YAMAHA USB MIDI Driver free of charge from sleep mode. • Disconnecting/connecting the cable while the PSR-2100/1100 is on. • Turning the power of the PSR-2100/1100 on/off , or connecting/disconnecting the cable too often. • Shifting...
... must connect the USB cable before connecting any cables. You can download a copy of the YAMAHA USB MIDI Driver free of charge from sleep mode. • Disconnecting/connecting the cable while the PSR-2100/1100 is on. • Turning the power of the PSR-2100/1100 on/off , or connecting/disconnecting the cable too often. • Shifting...